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Finding the Fourth Proportional to 39,894.56, 59,841.84 and 12,192.32

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Solution

The fourth proportional to 39,894.56, 59,841.84 and 12,192.32 is: 18,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.56 : 59,841.84 = 12,192.32 : x
  2. Step 2: Convert to fraction form
    39,894.56/59,841.84 = 12,192.32/x
  3. Step 3: Cross multiply
    39,894.56x = 59,841.84 × 12,192.32
  4. Step 4: Simplify right side
    39,894.56x = 729,610,862.67
  5. Step 5: Solve for x
    x = 729,610,862.67/39,894.56
  6. Step 6: Final answer
    x = 18,288.48

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